1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #define DEBUG 27 28 #ifndef USE_HOSTCC 29 #include <common.h> 30 #include <watchdog.h> 31 32 #ifdef CONFIG_SHOW_BOOT_PROGRESS 33 #include <status_led.h> 34 #endif 35 36 #ifdef CONFIG_HAS_DATAFLASH 37 #include <dataflash.h> 38 #endif 39 40 #ifdef CONFIG_LOGBUFFER 41 #include <logbuff.h> 42 #endif 43 44 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 45 #include <rtc.h> 46 #endif 47 48 #include <image.h> 49 50 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 51 #include <fdt.h> 52 #include <libfdt.h> 53 #include <fdt_support.h> 54 #endif 55 56 #if defined(CONFIG_FIT) 57 #include <sha1.h> 58 59 static int fit_check_ramdisk (const void *fit, int os_noffset, 60 uint8_t arch, int verify); 61 #endif 62 63 #ifdef CONFIG_CMD_BDI 64 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 65 #endif 66 67 DECLARE_GLOBAL_DATA_PTR; 68 69 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 70 int verify); 71 #else 72 #include "mkimage.h" 73 #include <time.h> 74 #include <image.h> 75 #endif /* !USE_HOSTCC*/ 76 77 typedef struct table_entry { 78 int id; /* as defined in image.h */ 79 char *sname; /* short (input) name */ 80 char *lname; /* long (output) name */ 81 } table_entry_t; 82 83 static table_entry_t uimage_arch[] = { 84 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 85 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 86 { IH_ARCH_ARM, "arm", "ARM", }, 87 { IH_ARCH_I386, "x86", "Intel x86", }, 88 { IH_ARCH_IA64, "ia64", "IA64", }, 89 { IH_ARCH_M68K, "m68k", "M68K", }, 90 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 91 { IH_ARCH_MIPS, "mips", "MIPS", }, 92 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 93 { IH_ARCH_NIOS, "nios", "NIOS", }, 94 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 95 { IH_ARCH_PPC, "ppc", "PowerPC", }, 96 { IH_ARCH_S390, "s390", "IBM S390", }, 97 { IH_ARCH_SH, "sh", "SuperH", }, 98 { IH_ARCH_SPARC, "sparc", "SPARC", }, 99 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 100 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 101 { IH_ARCH_AVR32, "avr32", "AVR32", }, 102 { -1, "", "", }, 103 }; 104 105 static table_entry_t uimage_os[] = { 106 { IH_OS_INVALID, NULL, "Invalid OS", }, 107 #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) 108 { IH_OS_ARTOS, "artos", "ARTOS", }, 109 #endif 110 { IH_OS_LINUX, "linux", "Linux", }, 111 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 112 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 113 #endif 114 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 115 { IH_OS_RTEMS, "rtems", "RTEMS", }, 116 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 117 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 118 { IH_OS_QNX, "qnx", "QNX", }, 119 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 120 #endif 121 #ifdef USE_HOSTCC 122 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 123 { IH_OS_DELL, "dell", "Dell", }, 124 { IH_OS_ESIX, "esix", "Esix", }, 125 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 126 { IH_OS_IRIX, "irix", "Irix", }, 127 { IH_OS_NCR, "ncr", "NCR", }, 128 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 129 { IH_OS_PSOS, "psos", "pSOS", }, 130 { IH_OS_SCO, "sco", "SCO", }, 131 { IH_OS_SOLARIS, "solaris", "Solaris", }, 132 { IH_OS_SVR4, "svr4", "SVR4", }, 133 #endif 134 { -1, "", "", }, 135 }; 136 137 static table_entry_t uimage_type[] = { 138 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 139 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 140 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 141 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 142 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 143 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 144 { IH_TYPE_SCRIPT, "script", "Script", }, 145 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 146 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 147 { -1, "", "", }, 148 }; 149 150 static table_entry_t uimage_comp[] = { 151 { IH_COMP_NONE, "none", "uncompressed", }, 152 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 153 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 154 { -1, "", "", }, 155 }; 156 157 unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); 158 static void genimg_print_size (uint32_t size); 159 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 160 static void genimg_print_time (time_t timestamp); 161 #endif 162 163 /*****************************************************************************/ 164 /* Legacy format routines */ 165 /*****************************************************************************/ 166 int image_check_hcrc (image_header_t *hdr) 167 { 168 ulong hcrc; 169 ulong len = image_get_header_size (); 170 image_header_t header; 171 172 /* Copy header so we can blank CRC field for re-calculation */ 173 memmove (&header, (char *)hdr, image_get_header_size ()); 174 image_set_hcrc (&header, 0); 175 176 hcrc = crc32 (0, (unsigned char *)&header, len); 177 178 return (hcrc == image_get_hcrc (hdr)); 179 } 180 181 int image_check_dcrc (image_header_t *hdr) 182 { 183 ulong data = image_get_data (hdr); 184 ulong len = image_get_data_size (hdr); 185 ulong dcrc = crc32 (0, (unsigned char *)data, len); 186 187 return (dcrc == image_get_dcrc (hdr)); 188 } 189 190 #ifndef USE_HOSTCC 191 int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) 192 { 193 ulong dcrc = 0; 194 ulong len = image_get_data_size (hdr); 195 ulong data = image_get_data (hdr); 196 197 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 198 ulong cdata = data; 199 ulong edata = cdata + len; 200 201 while (cdata < edata) { 202 ulong chunk = edata - cdata; 203 204 if (chunk > chunksz) 205 chunk = chunksz; 206 dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk); 207 cdata += chunk; 208 209 WATCHDOG_RESET (); 210 } 211 #else 212 dcrc = crc32 (0, (unsigned char *)data, len); 213 #endif 214 215 return (dcrc == image_get_dcrc (hdr)); 216 } 217 #endif /* !USE_HOSTCC */ 218 219 /** 220 * image_multi_count - get component (sub-image) count 221 * @hdr: pointer to the header of the multi component image 222 * 223 * image_multi_count() returns number of components in a multi 224 * component image. 225 * 226 * Note: no checking of the image type is done, caller must pass 227 * a valid multi component image. 228 * 229 * returns: 230 * number of components 231 */ 232 ulong image_multi_count (image_header_t *hdr) 233 { 234 ulong i, count = 0; 235 uint32_t *size; 236 237 /* get start of the image payload, which in case of multi 238 * component images that points to a table of component sizes */ 239 size = (uint32_t *)image_get_data (hdr); 240 241 /* count non empty slots */ 242 for (i = 0; size[i]; ++i) 243 count++; 244 245 return count; 246 } 247 248 /** 249 * image_multi_getimg - get component data address and size 250 * @hdr: pointer to the header of the multi component image 251 * @idx: index of the requested component 252 * @data: pointer to a ulong variable, will hold component data address 253 * @len: pointer to a ulong variable, will hold component size 254 * 255 * image_multi_getimg() returns size and data address for the requested 256 * component in a multi component image. 257 * 258 * Note: no checking of the image type is done, caller must pass 259 * a valid multi component image. 260 * 261 * returns: 262 * data address and size of the component, if idx is valid 263 * 0 in data and len, if idx is out of range 264 */ 265 void image_multi_getimg (image_header_t *hdr, ulong idx, 266 ulong *data, ulong *len) 267 { 268 int i; 269 uint32_t *size; 270 ulong offset, tail, count, img_data; 271 272 /* get number of component */ 273 count = image_multi_count (hdr); 274 275 /* get start of the image payload, which in case of multi 276 * component images that points to a table of component sizes */ 277 size = (uint32_t *)image_get_data (hdr); 278 279 /* get address of the proper component data start, which means 280 * skipping sizes table (add 1 for last, null entry) */ 281 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 282 283 if (idx < count) { 284 *len = uimage_to_cpu (size[idx]); 285 offset = 0; 286 tail = 0; 287 288 /* go over all indices preceding requested component idx */ 289 for (i = 0; i < idx; i++) { 290 /* add up i-th component size */ 291 offset += uimage_to_cpu (size[i]); 292 293 /* add up alignment for i-th component */ 294 tail += (4 - uimage_to_cpu (size[i]) % 4); 295 } 296 297 /* calculate idx-th component data address */ 298 *data = img_data + offset + tail; 299 } else { 300 *len = 0; 301 *data = 0; 302 } 303 } 304 305 static void image_print_type (image_header_t *hdr) 306 { 307 const char *os, *arch, *type, *comp; 308 309 os = genimg_get_os_name (image_get_os (hdr)); 310 arch = genimg_get_arch_name (image_get_arch (hdr)); 311 type = genimg_get_type_name (image_get_type (hdr)); 312 comp = genimg_get_comp_name (image_get_comp (hdr)); 313 314 printf ("%s %s %s (%s)\n", arch, os, type, comp); 315 } 316 317 /** 318 * __image_print_contents - prints out the contents of the legacy format image 319 * @hdr: pointer to the legacy format image header 320 * @p: pointer to prefix string 321 * 322 * __image_print_contents() formats a multi line legacy image contents description. 323 * The routine prints out all header fields followed by the size/offset data 324 * for MULTI/SCRIPT images. 325 * 326 * returns: 327 * no returned results 328 */ 329 static void __image_print_contents (image_header_t *hdr, const char *p) 330 { 331 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 332 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 333 printf ("%sCreated: ", p); 334 genimg_print_time ((time_t)image_get_time (hdr)); 335 #endif 336 printf ("%sImage Type: ", p); 337 image_print_type (hdr); 338 printf ("%sData Size: ", p); 339 genimg_print_size (image_get_data_size (hdr)); 340 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 341 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 342 343 if (image_check_type (hdr, IH_TYPE_MULTI) || 344 image_check_type (hdr, IH_TYPE_SCRIPT)) { 345 int i; 346 ulong data, len; 347 ulong count = image_multi_count (hdr); 348 349 printf ("%sContents:\n", p); 350 for (i = 0; i < count; i++) { 351 image_multi_getimg (hdr, i, &data, &len); 352 353 printf ("%s Image %d: ", p, i); 354 genimg_print_size (len); 355 356 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 357 /* 358 * the user may need to know offsets 359 * if planning to do something with 360 * multiple files 361 */ 362 printf ("%s Offset = 0x%08lx\n", p, data); 363 } 364 } 365 } 366 } 367 368 inline void image_print_contents (image_header_t *hdr) 369 { 370 __image_print_contents (hdr, " "); 371 } 372 373 inline void image_print_contents_noindent (image_header_t *hdr) 374 { 375 __image_print_contents (hdr, ""); 376 } 377 378 #ifndef USE_HOSTCC 379 /** 380 * image_get_ramdisk - get and verify ramdisk image 381 * @rd_addr: ramdisk image start address 382 * @arch: expected ramdisk architecture 383 * @verify: checksum verification flag 384 * 385 * image_get_ramdisk() returns a pointer to the verified ramdisk image 386 * header. Routine receives image start address and expected architecture 387 * flag. Verification done covers data and header integrity and os/type/arch 388 * fields checking. 389 * 390 * If dataflash support is enabled routine checks for dataflash addresses 391 * and handles required dataflash reads. 392 * 393 * returns: 394 * pointer to a ramdisk image header, if image was found and valid 395 * otherwise, return NULL 396 */ 397 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 398 int verify) 399 { 400 image_header_t *rd_hdr; 401 402 show_boot_progress (9); 403 rd_hdr = (image_header_t *)rd_addr; 404 405 if (!image_check_magic (rd_hdr)) { 406 puts ("Bad Magic Number\n"); 407 show_boot_progress (-10); 408 return NULL; 409 } 410 411 if (!image_check_hcrc (rd_hdr)) { 412 puts ("Bad Header Checksum\n"); 413 show_boot_progress (-11); 414 return NULL; 415 } 416 417 show_boot_progress (10); 418 image_print_contents (rd_hdr); 419 420 if (verify) { 421 puts(" Verifying Checksum ... "); 422 if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { 423 puts ("Bad Data CRC\n"); 424 show_boot_progress (-12); 425 return NULL; 426 } 427 puts("OK\n"); 428 } 429 430 show_boot_progress (11); 431 432 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 433 !image_check_arch (rd_hdr, arch) || 434 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 435 printf ("No Linux %s Ramdisk Image\n", 436 genimg_get_arch_name(arch)); 437 show_boot_progress (-13); 438 return NULL; 439 } 440 441 return rd_hdr; 442 } 443 #endif /* !USE_HOSTCC */ 444 445 /*****************************************************************************/ 446 /* Shared dual-format routines */ 447 /*****************************************************************************/ 448 #ifndef USE_HOSTCC 449 int getenv_verify (void) 450 { 451 char *s = getenv ("verify"); 452 return (s && (*s == 'n')) ? 0 : 1; 453 } 454 455 int getenv_autostart (void) 456 { 457 char *s = getenv ("autostart"); 458 return (s && (*s == 'n')) ? 0 : 1; 459 } 460 461 ulong getenv_bootm_low(void) 462 { 463 char *s = getenv ("bootm_low"); 464 if (s) { 465 ulong tmp = simple_strtoul (s, NULL, 16); 466 return tmp; 467 } 468 469 #ifdef CFG_SDRAM_BASE 470 return CFG_SDRAM_BASE; 471 #else 472 return 0; 473 #endif 474 } 475 476 ulong getenv_bootm_size(void) 477 { 478 char *s = getenv ("bootm_size"); 479 if (s) { 480 ulong tmp = simple_strtoul (s, NULL, 16); 481 return tmp; 482 } 483 484 return gd->bd->bi_memsize; 485 } 486 487 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 488 { 489 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 490 while (len > 0) { 491 size_t tail = (len > chunksz) ? chunksz : len; 492 WATCHDOG_RESET (); 493 memmove (to, from, tail); 494 to += tail; 495 from += tail; 496 len -= tail; 497 } 498 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 499 memmove (to, from, len); 500 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 501 } 502 #endif /* !USE_HOSTCC */ 503 504 static void genimg_print_size (uint32_t size) 505 { 506 #ifndef USE_HOSTCC 507 printf ("%d Bytes = ", size); 508 print_size (size, "\n"); 509 #else 510 printf ("%d Bytes = %.2f kB = %.2f MB\n", 511 size, (double)size / 1.024e3, 512 (double)size / 1.048576e6); 513 #endif 514 } 515 516 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 517 static void genimg_print_time (time_t timestamp) 518 { 519 #ifndef USE_HOSTCC 520 struct rtc_time tm; 521 522 to_tm (timestamp, &tm); 523 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 524 tm.tm_year, tm.tm_mon, tm.tm_mday, 525 tm.tm_hour, tm.tm_min, tm.tm_sec); 526 #else 527 printf ("%s", ctime(×tamp)); 528 #endif 529 } 530 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 531 532 /** 533 * get_table_entry_name - translate entry id to long name 534 * @table: pointer to a translation table for entries of a specific type 535 * @msg: message to be returned when translation fails 536 * @id: entry id to be translated 537 * 538 * get_table_entry_name() will go over translation table trying to find 539 * entry that matches given id. If matching entry is found, its long 540 * name is returned to the caller. 541 * 542 * returns: 543 * long entry name if translation succeeds 544 * msg otherwise 545 */ 546 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 547 { 548 for (; table->id >= 0; ++table) { 549 if (table->id == id) 550 return (table->lname); 551 } 552 return (msg); 553 } 554 555 const char *genimg_get_os_name (uint8_t os) 556 { 557 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 558 } 559 560 const char *genimg_get_arch_name (uint8_t arch) 561 { 562 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 563 } 564 565 const char *genimg_get_type_name (uint8_t type) 566 { 567 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 568 } 569 570 const char *genimg_get_comp_name (uint8_t comp) 571 { 572 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 573 } 574 575 /** 576 * get_table_entry_id - translate short entry name to id 577 * @table: pointer to a translation table for entries of a specific type 578 * @table_name: to be used in case of error 579 * @name: entry short name to be translated 580 * 581 * get_table_entry_id() will go over translation table trying to find 582 * entry that matches given short name. If matching entry is found, 583 * its id returned to the caller. 584 * 585 * returns: 586 * entry id if translation succeeds 587 * -1 otherwise 588 */ 589 static int get_table_entry_id (table_entry_t *table, 590 const char *table_name, const char *name) 591 { 592 table_entry_t *t; 593 #ifdef USE_HOSTCC 594 int first = 1; 595 596 for (t = table; t->id >= 0; ++t) { 597 if (t->sname && strcasecmp(t->sname, name) == 0) 598 return (t->id); 599 } 600 601 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 602 for (t = table; t->id >= 0; ++t) { 603 if (t->sname == NULL) 604 continue; 605 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 606 first = 0; 607 } 608 fprintf (stderr, "\n"); 609 #else 610 for (t = table; t->id >= 0; ++t) { 611 if (t->sname && strcmp(t->sname, name) == 0) 612 return (t->id); 613 } 614 debug ("Invalid %s Type: %s\n", table_name, name); 615 #endif /* USE_HOSTCC */ 616 return (-1); 617 } 618 619 int genimg_get_os_id (const char *name) 620 { 621 return (get_table_entry_id (uimage_os, "OS", name)); 622 } 623 624 int genimg_get_arch_id (const char *name) 625 { 626 return (get_table_entry_id (uimage_arch, "CPU", name)); 627 } 628 629 int genimg_get_type_id (const char *name) 630 { 631 return (get_table_entry_id (uimage_type, "Image", name)); 632 } 633 634 int genimg_get_comp_id (const char *name) 635 { 636 return (get_table_entry_id (uimage_comp, "Compression", name)); 637 } 638 639 #ifndef USE_HOSTCC 640 /** 641 * genimg_get_format - get image format type 642 * @img_addr: image start address 643 * 644 * genimg_get_format() checks whether provided address points to a valid 645 * legacy or FIT image. 646 * 647 * New uImage format and FDT blob are based on a libfdt. FDT blob 648 * may be passed directly or embedded in a FIT image. In both situations 649 * genimg_get_format() must be able to dectect libfdt header. 650 * 651 * returns: 652 * image format type or IMAGE_FORMAT_INVALID if no image is present 653 */ 654 int genimg_get_format (void *img_addr) 655 { 656 ulong format = IMAGE_FORMAT_INVALID; 657 image_header_t *hdr; 658 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 659 char *fit_hdr; 660 #endif 661 662 hdr = (image_header_t *)img_addr; 663 if (image_check_magic(hdr)) 664 format = IMAGE_FORMAT_LEGACY; 665 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 666 else { 667 fit_hdr = (char *)img_addr; 668 if (fdt_check_header (fit_hdr) == 0) 669 format = IMAGE_FORMAT_FIT; 670 } 671 #endif 672 673 return format; 674 } 675 676 /** 677 * genimg_get_image - get image from special storage (if necessary) 678 * @img_addr: image start address 679 * 680 * genimg_get_image() checks if provided image start adddress is located 681 * in a dataflash storage. If so, image is moved to a system RAM memory. 682 * 683 * returns: 684 * image start address after possible relocation from special storage 685 */ 686 ulong genimg_get_image (ulong img_addr) 687 { 688 ulong ram_addr = img_addr; 689 690 #ifdef CONFIG_HAS_DATAFLASH 691 ulong h_size, d_size; 692 693 if (addr_dataflash (img_addr)){ 694 /* ger RAM address */ 695 ram_addr = CFG_LOAD_ADDR; 696 697 /* get header size */ 698 h_size = image_get_header_size (); 699 #if defined(CONFIG_FIT) 700 if (sizeof(struct fdt_header) > h_size) 701 h_size = sizeof(struct fdt_header); 702 #endif 703 704 /* read in header */ 705 debug (" Reading image header from dataflash address " 706 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 707 708 read_dataflash (img_addr, h_size, (char *)ram_addr); 709 710 /* get data size */ 711 switch (genimg_get_format ((void *)ram_addr)) { 712 case IMAGE_FORMAT_LEGACY: 713 d_size = image_get_data_size ((image_header_t *)ram_addr); 714 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 715 ram_addr, d_size); 716 break; 717 #if defined(CONFIG_FIT) 718 case IMAGE_FORMAT_FIT: 719 d_size = fit_get_size ((const void *)ram_addr) - h_size; 720 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 721 ram_addr, d_size); 722 break; 723 #endif 724 default: 725 printf (" No valid image found at 0x%08lx\n", img_addr); 726 return ram_addr; 727 } 728 729 /* read in image data */ 730 debug (" Reading image remaining data from dataflash address " 731 "%08lx to RAM address %08lx\n", img_addr + h_size, 732 ram_addr + h_size); 733 734 read_dataflash (img_addr + h_size, d_size, 735 (char *)(ram_addr + h_size)); 736 737 } 738 #endif /* CONFIG_HAS_DATAFLASH */ 739 740 return ram_addr; 741 } 742 743 /** 744 * boot_get_ramdisk - main ramdisk handling routine 745 * @argc: command argument count 746 * @argv: command argument list 747 * @images: pointer to the bootm images structure 748 * @arch: expected ramdisk architecture 749 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 750 * @rd_end: pointer to a ulong variable, will hold ramdisk end 751 * 752 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 753 * Curently supported are the following ramdisk sources: 754 * - multicomponent kernel/ramdisk image, 755 * - commandline provided address of decicated ramdisk image. 756 * 757 * returns: 758 * 0, if ramdisk image was found and valid, or skiped 759 * rd_start and rd_end are set to ramdisk start/end addresses if 760 * ramdisk image is found and valid 761 * 762 * 1, if ramdisk image is found but corrupted 763 * rd_start and rd_end are set to 0 if no ramdisk exists 764 */ 765 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 766 uint8_t arch, ulong *rd_start, ulong *rd_end) 767 { 768 ulong rd_addr, rd_load; 769 ulong rd_data, rd_len; 770 image_header_t *rd_hdr; 771 #if defined(CONFIG_FIT) 772 void *fit_hdr; 773 const char *fit_uname_config = NULL; 774 const char *fit_uname_ramdisk = NULL; 775 ulong default_addr; 776 int rd_noffset; 777 int conf_noffset; 778 const void *data; 779 size_t size; 780 #endif 781 782 *rd_start = 0; 783 *rd_end = 0; 784 785 /* 786 * Look for a '-' which indicates to ignore the 787 * ramdisk argument 788 */ 789 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 790 debug ("## Skipping init Ramdisk\n"); 791 rd_len = rd_data = 0; 792 } else if (argc >= 3) { 793 #if defined(CONFIG_FIT) 794 /* 795 * If the init ramdisk comes from the FIT image and the FIT image 796 * address is omitted in the command line argument, try to use 797 * os FIT image address or default load address. 798 */ 799 if (images->fit_uname_os) 800 default_addr = (ulong)images->fit_hdr_os; 801 else 802 default_addr = load_addr; 803 804 if (fit_parse_conf (argv[2], default_addr, 805 &rd_addr, &fit_uname_config)) { 806 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 807 fit_uname_config, rd_addr); 808 } else if (fit_parse_subimage (argv[2], default_addr, 809 &rd_addr, &fit_uname_ramdisk)) { 810 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 811 fit_uname_ramdisk, rd_addr); 812 } else 813 #endif 814 { 815 rd_addr = simple_strtoul(argv[2], NULL, 16); 816 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 817 rd_addr); 818 } 819 820 /* copy from dataflash if needed */ 821 rd_addr = genimg_get_image (rd_addr); 822 823 /* 824 * Check if there is an initrd image at the 825 * address provided in the second bootm argument 826 * check image type, for FIT images get FIT node. 827 */ 828 switch (genimg_get_format ((void *)rd_addr)) { 829 case IMAGE_FORMAT_LEGACY: 830 printf ("## Loading init Ramdisk from Legacy " 831 "Image at %08lx ...\n", rd_addr); 832 833 rd_hdr = image_get_ramdisk (rd_addr, arch, 834 images->verify); 835 836 if (rd_hdr == NULL) 837 return 1; 838 839 rd_data = image_get_data (rd_hdr); 840 rd_len = image_get_data_size (rd_hdr); 841 rd_load = image_get_load (rd_hdr); 842 break; 843 #if defined(CONFIG_FIT) 844 case IMAGE_FORMAT_FIT: 845 fit_hdr = (void *)rd_addr; 846 printf ("## Loading init Ramdisk from FIT " 847 "Image at %08lx ...\n", rd_addr); 848 849 if (!fit_check_format (fit_hdr)) { 850 puts ("Bad FIT ramdisk image format!\n"); 851 return 0; 852 } 853 854 if (!fit_uname_ramdisk) { 855 /* 856 * no ramdisk image node unit name, try to get config 857 * node first. If config unit node name is NULL 858 * fit_conf_get_node() will try to find default config node 859 */ 860 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 861 if (conf_noffset < 0) 862 return 0; 863 864 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, conf_noffset); 865 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 866 } else { 867 /* get ramdisk component image node offset */ 868 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 869 } 870 if (rd_noffset < 0) 871 return 0; 872 873 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 874 875 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 876 return 0; 877 878 /* get ramdisk image data address and length */ 879 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 880 puts ("Could not find ramdisk subimage data!\n"); 881 return 0; 882 } 883 884 rd_data = (ulong)data; 885 rd_len = size; 886 887 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 888 puts ("Can't get ramdisk subimage load address!\n"); 889 return 0; 890 } 891 892 images->fit_hdr_rd = fit_hdr; 893 images->fit_uname_rd = fit_uname_ramdisk; 894 break; 895 #endif 896 default: 897 puts ("Wrong Ramdisk Image Format\n"); 898 rd_data = rd_len = rd_load = 0; 899 } 900 901 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 902 /* 903 * We need to copy the ramdisk to SRAM to let Linux boot 904 */ 905 if (rd_data) { 906 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 907 rd_data = rd_load; 908 } 909 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 910 911 } else if (images->legacy_hdr_valid && 912 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { 913 /* 914 * Now check if we have a legacy mult-component image, 915 * get second entry data start address and len. 916 */ 917 show_boot_progress (13); 918 printf ("## Loading init Ramdisk from multi component " 919 "Legacy Image at %08lx ...\n", 920 (ulong)images->legacy_hdr_os); 921 922 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 923 } else { 924 /* 925 * no initrd image 926 */ 927 show_boot_progress (14); 928 rd_len = rd_data = 0; 929 } 930 931 if (!rd_data) { 932 debug ("## No init Ramdisk\n"); 933 } else { 934 *rd_start = rd_data; 935 *rd_end = rd_data + rd_len; 936 } 937 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 938 *rd_start, *rd_end); 939 940 return 0; 941 } 942 943 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 944 /** 945 * boot_ramdisk_high - relocate init ramdisk 946 * @lmb: pointer to lmb handle, will be used for memory mgmt 947 * @rd_data: ramdisk data start address 948 * @rd_len: ramdisk data length 949 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 950 * start address (after possible relocation) 951 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 952 * end address (after possible relocation) 953 * 954 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 955 * variable and if requested ramdisk data is moved to a specified location. 956 * 957 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 958 * start/end addresses if ramdisk image start and len were provided, 959 * otherwise set initrd_start and initrd_end set to zeros. 960 * 961 * returns: 962 * 0 - success 963 * -1 - failure 964 */ 965 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 966 ulong *initrd_start, ulong *initrd_end) 967 { 968 char *s; 969 ulong initrd_high; 970 int initrd_copy_to_ram = 1; 971 972 if ((s = getenv ("initrd_high")) != NULL) { 973 /* a value of "no" or a similar string will act like 0, 974 * turning the "load high" feature off. This is intentional. 975 */ 976 initrd_high = simple_strtoul (s, NULL, 16); 977 if (initrd_high == ~0) 978 initrd_copy_to_ram = 0; 979 } else { 980 /* not set, no restrictions to load high */ 981 initrd_high = ~0; 982 } 983 984 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 985 initrd_high, initrd_copy_to_ram); 986 987 if (rd_data) { 988 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 989 debug (" in-place initrd\n"); 990 *initrd_start = rd_data; 991 *initrd_end = rd_data + rd_len; 992 lmb_reserve(lmb, rd_data, rd_len); 993 } else { 994 if (initrd_high) 995 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 996 else 997 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 998 999 if (*initrd_start == 0) { 1000 puts ("ramdisk - allocation error\n"); 1001 goto error; 1002 } 1003 show_boot_progress (12); 1004 1005 *initrd_end = *initrd_start + rd_len; 1006 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1007 *initrd_start, *initrd_end); 1008 1009 memmove_wd ((void *)*initrd_start, 1010 (void *)rd_data, rd_len, CHUNKSZ); 1011 1012 puts ("OK\n"); 1013 } 1014 } else { 1015 *initrd_start = 0; 1016 *initrd_end = 0; 1017 } 1018 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1019 *initrd_start, *initrd_end); 1020 1021 return 0; 1022 1023 error: 1024 return -1; 1025 } 1026 1027 /** 1028 * boot_get_cmdline - allocate and initialize kernel cmdline 1029 * @lmb: pointer to lmb handle, will be used for memory mgmt 1030 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1031 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1032 * @bootmap_base: ulong variable, holds offset in physical memory to 1033 * base of bootmap 1034 * 1035 * boot_get_cmdline() allocates space for kernel command line below 1036 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1037 * variable is present its contents is copied to allocated kernel 1038 * command line. 1039 * 1040 * returns: 1041 * 0 - success 1042 * -1 - failure 1043 */ 1044 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1045 ulong bootmap_base) 1046 { 1047 char *cmdline; 1048 char *s; 1049 1050 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1051 CFG_BOOTMAPSZ + bootmap_base); 1052 1053 if (cmdline == NULL) 1054 return -1; 1055 1056 if ((s = getenv("bootargs")) == NULL) 1057 s = ""; 1058 1059 strcpy(cmdline, s); 1060 1061 *cmd_start = (ulong) & cmdline[0]; 1062 *cmd_end = *cmd_start + strlen(cmdline); 1063 1064 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1065 1066 return 0; 1067 } 1068 1069 /** 1070 * boot_get_kbd - allocate and initialize kernel copy of board info 1071 * @lmb: pointer to lmb handle, will be used for memory mgmt 1072 * @kbd: double pointer to board info data 1073 * @bootmap_base: ulong variable, holds offset in physical memory to 1074 * base of bootmap 1075 * 1076 * boot_get_kbd() allocates space for kernel copy of board info data below 1077 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1078 * the current u-boot board info data. 1079 * 1080 * returns: 1081 * 0 - success 1082 * -1 - failure 1083 */ 1084 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1085 { 1086 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1087 CFG_BOOTMAPSZ + bootmap_base); 1088 if (*kbd == NULL) 1089 return -1; 1090 1091 **kbd = *(gd->bd); 1092 1093 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1094 1095 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1096 do_bdinfo(NULL, 0, 0, NULL); 1097 #endif 1098 1099 return 0; 1100 } 1101 #endif /* CONFIG_PPC || CONFIG_M68K */ 1102 #endif /* !USE_HOSTCC */ 1103 1104 #if defined(CONFIG_FIT) 1105 /*****************************************************************************/ 1106 /* New uImage format routines */ 1107 /*****************************************************************************/ 1108 #ifndef USE_HOSTCC 1109 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1110 ulong *addr, const char **name) 1111 { 1112 const char *sep; 1113 1114 *addr = addr_curr; 1115 *name = NULL; 1116 1117 sep = strchr (spec, sepc); 1118 if (sep) { 1119 if (sep - spec > 0) 1120 *addr = simple_strtoul (spec, NULL, 16); 1121 1122 *name = sep + 1; 1123 return 1; 1124 } 1125 1126 return 0; 1127 } 1128 1129 /** 1130 * fit_parse_conf - parse FIT configuration spec 1131 * @spec: input string, containing configuration spec 1132 * @add_curr: current image address (to be used as a possible default) 1133 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1134 * configuration 1135 * @conf_name double pointer to a char, will hold pointer to a configuration 1136 * unit name 1137 * 1138 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1139 * where <addr> is a FIT image address that contains configuration 1140 * with a <conf> unit name. 1141 * 1142 * Address part is optional, and if omitted default add_curr will 1143 * be used instead. 1144 * 1145 * returns: 1146 * 1 if spec is a valid configuration string, 1147 * addr and conf_name are set accordingly 1148 * 0 otherwise 1149 */ 1150 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1151 ulong *addr, const char **conf_name) 1152 { 1153 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1154 } 1155 1156 /** 1157 * fit_parse_subimage - parse FIT subimage spec 1158 * @spec: input string, containing subimage spec 1159 * @add_curr: current image address (to be used as a possible default) 1160 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1161 * subimage 1162 * @image_name: double pointer to a char, will hold pointer to a subimage name 1163 * 1164 * fit_parse_subimage() expects subimage spec in the for of 1165 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1166 * subimage with a <subimg> unit name. 1167 * 1168 * Address part is optional, and if omitted default add_curr will 1169 * be used instead. 1170 * 1171 * returns: 1172 * 1 if spec is a valid subimage string, 1173 * addr and image_name are set accordingly 1174 * 0 otherwise 1175 */ 1176 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1177 ulong *addr, const char **image_name) 1178 { 1179 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1180 } 1181 #endif /* !USE_HOSTCC */ 1182 1183 static void fit_get_debug (const void *fit, int noffset, 1184 char *prop_name, int err) 1185 { 1186 debug ("Can't get '%s' property from FIT 0x%08lx, " 1187 "node: offset %d, name %s (%s)\n", 1188 prop_name, (ulong)fit, noffset, 1189 fit_get_name (fit, noffset, NULL), 1190 fdt_strerror (err)); 1191 } 1192 1193 /** 1194 * __fit_print_contents - prints out the contents of the FIT format image 1195 * @fit: pointer to the FIT format image header 1196 * @p: pointer to prefix string 1197 * 1198 * __fit_print_contents() formats a multi line FIT image contents description. 1199 * The routine prints out FIT image properties (root node level) follwed by 1200 * the details of each component image. 1201 * 1202 * returns: 1203 * no returned results 1204 */ 1205 static void __fit_print_contents (const void *fit, const char *p) 1206 { 1207 char *desc; 1208 char *uname; 1209 int images_noffset; 1210 int confs_noffset; 1211 int noffset; 1212 int ndepth; 1213 int count = 0; 1214 int ret; 1215 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1216 time_t timestamp; 1217 #endif 1218 1219 /* Root node properties */ 1220 ret = fit_get_desc (fit, 0, &desc); 1221 printf ("%sFIT description: ", p); 1222 if (ret) 1223 printf ("unavailable\n"); 1224 else 1225 printf ("%s\n", desc); 1226 1227 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1228 ret = fit_get_timestamp (fit, 0, ×tamp); 1229 printf ("%sCreated: ", p); 1230 if (ret) 1231 printf ("unavailable\n"); 1232 else 1233 genimg_print_time (timestamp); 1234 #endif 1235 1236 /* Find images parent node offset */ 1237 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1238 if (images_noffset < 0) { 1239 printf ("Can't find images parent node '%s' (%s)\n", 1240 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1241 return; 1242 } 1243 1244 /* Process its subnodes, print out component images details */ 1245 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1246 (noffset >= 0) && (ndepth > 0); 1247 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1248 if (ndepth == 1) { 1249 /* 1250 * Direct child node of the images parent node, 1251 * i.e. component image node. 1252 */ 1253 printf ("%s Image %u (%s)\n", p, count++, 1254 fit_get_name(fit, noffset, NULL)); 1255 1256 fit_image_print (fit, noffset, p); 1257 } 1258 } 1259 1260 /* Find configurations parent node offset */ 1261 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1262 if (confs_noffset < 0) { 1263 debug ("Can't get configurations parent node '%s' (%s)\n", 1264 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1265 return; 1266 } 1267 1268 /* get default configuration unit name from default property */ 1269 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1270 if (uname) 1271 printf ("%s Default Configuration: '%s'\n", p, uname); 1272 1273 /* Process its subnodes, print out configurations details */ 1274 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1275 (noffset >= 0) && (ndepth > 0); 1276 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1277 if (ndepth == 1) { 1278 /* 1279 * Direct child node of the configurations parent node, 1280 * i.e. configuration node. 1281 */ 1282 printf ("%s Configuration %u (%s)\n", p, count++, 1283 fit_get_name(fit, noffset, NULL)); 1284 1285 fit_conf_print (fit, noffset, p); 1286 } 1287 } 1288 } 1289 1290 inline void fit_print_contents (const void *fit) 1291 { 1292 __fit_print_contents (fit, " "); 1293 } 1294 1295 inline void fit_print_contents_noindent (const void *fit) 1296 { 1297 __fit_print_contents (fit, ""); 1298 } 1299 1300 /** 1301 * fit_image_print - prints out the FIT component image details 1302 * @fit: pointer to the FIT format image header 1303 * @image_noffset: offset of the component image node 1304 * @p: pointer to prefix string 1305 * 1306 * fit_image_print() lists all mandatory properies for the processed component 1307 * image. If present, hash nodes are printed out as well. 1308 * 1309 * returns: 1310 * no returned results 1311 */ 1312 void fit_image_print (const void *fit, int image_noffset, const char *p) 1313 { 1314 char *desc; 1315 uint8_t type, arch, os, comp; 1316 size_t size; 1317 ulong load, entry; 1318 const void *data; 1319 int noffset; 1320 int ndepth; 1321 int ret; 1322 1323 /* Mandatory properties */ 1324 ret = fit_get_desc (fit, image_noffset, &desc); 1325 printf ("%s Description: ", p); 1326 if (ret) 1327 printf ("unavailable\n"); 1328 else 1329 printf ("%s\n", desc); 1330 1331 fit_image_get_type (fit, image_noffset, &type); 1332 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1333 1334 fit_image_get_comp (fit, image_noffset, &comp); 1335 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1336 1337 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1338 1339 #ifndef USE_HOSTCC 1340 printf ("%s Data Start: ", p); 1341 if (ret) 1342 printf ("unavailable\n"); 1343 else 1344 printf ("0x%08lx\n", (ulong)data); 1345 #endif 1346 1347 printf ("%s Data Size: ", p); 1348 if (ret) 1349 printf ("unavailable\n"); 1350 else 1351 genimg_print_size (size); 1352 1353 /* Remaining, type dependent properties */ 1354 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1355 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1356 (type == IH_TYPE_FLATDT)) { 1357 fit_image_get_arch (fit, image_noffset, &arch); 1358 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1359 } 1360 1361 if (type == IH_TYPE_KERNEL) { 1362 fit_image_get_os (fit, image_noffset, &os); 1363 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1364 } 1365 1366 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1367 ret = fit_image_get_load (fit, image_noffset, &load); 1368 printf ("%s Load Address: ", p); 1369 if (ret) 1370 printf ("unavailable\n"); 1371 else 1372 printf ("0x%08lx\n", load); 1373 1374 fit_image_get_entry (fit, image_noffset, &entry); 1375 printf ("%s Entry Point: ", p); 1376 if (ret) 1377 printf ("unavailable\n"); 1378 else 1379 printf ("0x%08lx\n", entry); 1380 } 1381 1382 /* Process all hash subnodes of the component image node */ 1383 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1384 (noffset >= 0) && (ndepth > 0); 1385 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1386 if (ndepth == 1) { 1387 /* Direct child node of the component image node */ 1388 fit_image_print_hash (fit, noffset, p); 1389 } 1390 } 1391 } 1392 1393 /** 1394 * fit_image_print_hash - prints out the hash node details 1395 * @fit: pointer to the FIT format image header 1396 * @noffset: offset of the hash node 1397 * @p: pointer to prefix string 1398 * 1399 * fit_image_print_hash() lists properies for the processed hash node 1400 * 1401 * returns: 1402 * no returned results 1403 */ 1404 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1405 { 1406 char *algo; 1407 uint8_t *value; 1408 int value_len; 1409 int i, ret; 1410 1411 /* 1412 * Check subnode name, must be equal to "hash". 1413 * Multiple hash nodes require unique unit node 1414 * names, e.g. hash@1, hash@2, etc. 1415 */ 1416 if (strncmp (fit_get_name(fit, noffset, NULL), 1417 FIT_HASH_NODENAME, 1418 strlen(FIT_HASH_NODENAME)) != 0) 1419 return; 1420 1421 debug ("%s Hash node: '%s'\n", p, 1422 fit_get_name (fit, noffset, NULL)); 1423 1424 printf ("%s Hash algo: ", p); 1425 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1426 printf ("invalid/unsupported\n"); 1427 return; 1428 } 1429 printf ("%s\n", algo); 1430 1431 ret = fit_image_hash_get_value (fit, noffset, &value, 1432 &value_len); 1433 printf ("%s Hash value: ", p); 1434 if (ret) { 1435 printf ("unavailable\n"); 1436 } else { 1437 for (i = 0; i < value_len; i++) 1438 printf ("%02x", value[i]); 1439 printf ("\n"); 1440 } 1441 1442 debug ("%s Hash len: %d\n", p, value_len); 1443 } 1444 1445 /** 1446 * fit_get_desc - get node description property 1447 * @fit: pointer to the FIT format image header 1448 * @noffset: node offset 1449 * @desc: double pointer to the char, will hold pointer to the descrption 1450 * 1451 * fit_get_desc() reads description property from a given node, if 1452 * description is found pointer to it is returened in third call argument. 1453 * 1454 * returns: 1455 * 0, on success 1456 * -1, on failure 1457 */ 1458 int fit_get_desc (const void *fit, int noffset, char **desc) 1459 { 1460 int len; 1461 1462 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 1463 if (*desc == NULL) { 1464 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 1465 return -1; 1466 } 1467 1468 return 0; 1469 } 1470 1471 /** 1472 * fit_get_timestamp - get node timestamp property 1473 * @fit: pointer to the FIT format image header 1474 * @noffset: node offset 1475 * @timestamp: pointer to the time_t, will hold read timestamp 1476 * 1477 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 1478 * is found and has a correct size its value is retured in third call 1479 * argument. 1480 * 1481 * returns: 1482 * 0, on success 1483 * -1, on property read failure 1484 * -2, on wrong timestamp size 1485 */ 1486 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 1487 { 1488 int len; 1489 const void *data; 1490 1491 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 1492 if (data == NULL) { 1493 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 1494 return -1; 1495 } 1496 if (len != sizeof (uint32_t)) { 1497 debug ("FIT timestamp with incorrect size of (%u)\n", len); 1498 return -2; 1499 } 1500 1501 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 1502 return 0; 1503 } 1504 1505 /** 1506 * fit_image_get_node - get node offset for component image of a given unit name 1507 * @fit: pointer to the FIT format image header 1508 * @image_uname: component image node unit name 1509 * 1510 * fit_image_get_node() finds a component image (withing the '/images' 1511 * node) of a provided unit name. If image is found its node offset is 1512 * returned to the caller. 1513 * 1514 * returns: 1515 * image node offset when found (>=0) 1516 * negative number on failure (FDT_ERR_* code) 1517 */ 1518 int fit_image_get_node (const void *fit, const char *image_uname) 1519 { 1520 int noffset, images_noffset; 1521 1522 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1523 if (images_noffset < 0) { 1524 debug ("Can't find images parent node '%s' (%s)\n", 1525 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1526 return images_noffset; 1527 } 1528 1529 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 1530 if (noffset < 0) { 1531 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 1532 image_uname, fdt_strerror (noffset)); 1533 } 1534 1535 return noffset; 1536 } 1537 1538 /** 1539 * fit_image_get_os - get os id for a given component image node 1540 * @fit: pointer to the FIT format image header 1541 * @noffset: component image node offset 1542 * @os: pointer to the uint8_t, will hold os numeric id 1543 * 1544 * fit_image_get_os() finds os property in a given component image node. 1545 * If the property is found, its (string) value is translated to the numeric 1546 * id which is returned to the caller. 1547 * 1548 * returns: 1549 * 0, on success 1550 * -1, on failure 1551 */ 1552 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 1553 { 1554 int len; 1555 const void *data; 1556 1557 /* Get OS name from property data */ 1558 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 1559 if (data == NULL) { 1560 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 1561 *os = -1; 1562 return -1; 1563 } 1564 1565 /* Translate OS name to id */ 1566 *os = genimg_get_os_id (data); 1567 return 0; 1568 } 1569 1570 /** 1571 * fit_image_get_arch - get arch id for a given component image node 1572 * @fit: pointer to the FIT format image header 1573 * @noffset: component image node offset 1574 * @arch: pointer to the uint8_t, will hold arch numeric id 1575 * 1576 * fit_image_get_arch() finds arch property in a given component image node. 1577 * If the property is found, its (string) value is translated to the numeric 1578 * id which is returned to the caller. 1579 * 1580 * returns: 1581 * 0, on success 1582 * -1, on failure 1583 */ 1584 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 1585 { 1586 int len; 1587 const void *data; 1588 1589 /* Get architecture name from property data */ 1590 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 1591 if (data == NULL) { 1592 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 1593 *arch = -1; 1594 return -1; 1595 } 1596 1597 /* Translate architecture name to id */ 1598 *arch = genimg_get_arch_id (data); 1599 return 0; 1600 } 1601 1602 /** 1603 * fit_image_get_type - get type id for a given component image node 1604 * @fit: pointer to the FIT format image header 1605 * @noffset: component image node offset 1606 * @type: pointer to the uint8_t, will hold type numeric id 1607 * 1608 * fit_image_get_type() finds type property in a given component image node. 1609 * If the property is found, its (string) value is translated to the numeric 1610 * id which is returned to the caller. 1611 * 1612 * returns: 1613 * 0, on success 1614 * -1, on failure 1615 */ 1616 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 1617 { 1618 int len; 1619 const void *data; 1620 1621 /* Get image type name from property data */ 1622 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 1623 if (data == NULL) { 1624 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 1625 *type = -1; 1626 return -1; 1627 } 1628 1629 /* Translate image type name to id */ 1630 *type = genimg_get_type_id (data); 1631 return 0; 1632 } 1633 1634 /** 1635 * fit_image_get_comp - get comp id for a given component image node 1636 * @fit: pointer to the FIT format image header 1637 * @noffset: component image node offset 1638 * @comp: pointer to the uint8_t, will hold comp numeric id 1639 * 1640 * fit_image_get_comp() finds comp property in a given component image node. 1641 * If the property is found, its (string) value is translated to the numeric 1642 * id which is returned to the caller. 1643 * 1644 * returns: 1645 * 0, on success 1646 * -1, on failure 1647 */ 1648 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 1649 { 1650 int len; 1651 const void *data; 1652 1653 /* Get compression name from property data */ 1654 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 1655 if (data == NULL) { 1656 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 1657 *comp = -1; 1658 return -1; 1659 } 1660 1661 /* Translate compression name to id */ 1662 *comp = genimg_get_comp_id (data); 1663 return 0; 1664 } 1665 1666 /** 1667 * fit_image_get_load - get load address property for a given component image node 1668 * @fit: pointer to the FIT format image header 1669 * @noffset: component image node offset 1670 * @load: pointer to the uint32_t, will hold load address 1671 * 1672 * fit_image_get_load() finds load address property in a given component image node. 1673 * If the property is found, its value is returned to the caller. 1674 * 1675 * returns: 1676 * 0, on success 1677 * -1, on failure 1678 */ 1679 int fit_image_get_load (const void *fit, int noffset, ulong *load) 1680 { 1681 int len; 1682 const uint32_t *data; 1683 1684 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 1685 if (data == NULL) { 1686 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 1687 return -1; 1688 } 1689 1690 *load = uimage_to_cpu (*data); 1691 return 0; 1692 } 1693 1694 /** 1695 * fit_image_get_entry - get entry point address property for a given component image node 1696 * @fit: pointer to the FIT format image header 1697 * @noffset: component image node offset 1698 * @entry: pointer to the uint32_t, will hold entry point address 1699 * 1700 * fit_image_get_entry() finds entry point address property in a given component image node. 1701 * If the property is found, its value is returned to the caller. 1702 * 1703 * returns: 1704 * 0, on success 1705 * -1, on failure 1706 */ 1707 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 1708 { 1709 int len; 1710 const uint32_t *data; 1711 1712 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 1713 if (data == NULL) { 1714 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 1715 return -1; 1716 } 1717 1718 *entry = uimage_to_cpu (*data); 1719 return 0; 1720 } 1721 1722 /** 1723 * fit_image_get_data - get data property and its size for a given component image node 1724 * @fit: pointer to the FIT format image header 1725 * @noffset: component image node offset 1726 * @data: double pointer to void, will hold data property's data address 1727 * @size: pointer to size_t, will hold data property's data size 1728 * 1729 * fit_image_get_data() finds data property in a given component image node. 1730 * If the property is found its data start address and size are returned to 1731 * the caller. 1732 * 1733 * returns: 1734 * 0, on success 1735 * -1, on failure 1736 */ 1737 int fit_image_get_data (const void *fit, int noffset, 1738 const void **data, size_t *size) 1739 { 1740 int len; 1741 1742 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 1743 if (*data == NULL) { 1744 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 1745 *size = 0; 1746 return -1; 1747 } 1748 1749 *size = len; 1750 return 0; 1751 } 1752 1753 /** 1754 * fit_image_hash_get_algo - get hash algorithm name 1755 * @fit: pointer to the FIT format image header 1756 * @noffset: hash node offset 1757 * @algo: double pointer to char, will hold pointer to the algorithm name 1758 * 1759 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 1760 * If the property is found its data start address is returned to the caller. 1761 * 1762 * returns: 1763 * 0, on success 1764 * -1, on failure 1765 */ 1766 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 1767 { 1768 int len; 1769 1770 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 1771 if (*algo == NULL) { 1772 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 1773 return -1; 1774 } 1775 1776 return 0; 1777 } 1778 1779 /** 1780 * fit_image_hash_get_value - get hash value and length 1781 * @fit: pointer to the FIT format image header 1782 * @noffset: hash node offset 1783 * @value: double pointer to uint8_t, will hold address of a hash value data 1784 * @value_len: pointer to an int, will hold hash data length 1785 * 1786 * fit_image_hash_get_value() finds hash value property in a given hash node. 1787 * If the property is found its data start address and size are returned to 1788 * the caller. 1789 * 1790 * returns: 1791 * 0, on success 1792 * -1, on failure 1793 */ 1794 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 1795 int *value_len) 1796 { 1797 int len; 1798 1799 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 1800 if (*value == NULL) { 1801 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 1802 *value_len = 0; 1803 return -1; 1804 } 1805 1806 *value_len = len; 1807 return 0; 1808 } 1809 1810 /** 1811 * fit_set_timestamp - set node timestamp property 1812 * @fit: pointer to the FIT format image header 1813 * @noffset: node offset 1814 * @timestamp: timestamp value to be set 1815 * 1816 * fit_set_timestamp() attempts to set timestamp property in the requested 1817 * node and returns operation status to the caller. 1818 * 1819 * returns: 1820 * 0, on success 1821 * -1, on property read failure 1822 */ 1823 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 1824 { 1825 uint32_t t; 1826 int ret; 1827 1828 t = cpu_to_uimage (timestamp); 1829 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 1830 sizeof (uint32_t)); 1831 if (ret) { 1832 printf ("Can't set '%s' property for '%s' node (%s)\n", 1833 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 1834 fdt_strerror (ret)); 1835 return -1; 1836 } 1837 1838 return 0; 1839 } 1840 1841 /** 1842 * calculate_hash - calculate and return hash for provided input data 1843 * @data: pointer to the input data 1844 * @data_len: data length 1845 * @algo: requested hash algorithm 1846 * @value: pointer to the char, will hold hash value data (caller must 1847 * allocate enough free space) 1848 * value_len: length of the calculated hash 1849 * 1850 * calculate_hash() computes input data hash according to the requested algorithm. 1851 * Resulting hash value is placed in caller provided 'value' buffer, length 1852 * of the calculated hash is returned via value_len pointer argument. 1853 * 1854 * returns: 1855 * 0, on success 1856 * -1, when algo is unsupported 1857 */ 1858 static int calculate_hash (const void *data, int data_len, const char *algo, 1859 uint8_t *value, int *value_len) 1860 { 1861 if (strcmp (algo, "crc32") == 0 ) { 1862 *((uint32_t *)value) = crc32 (0, data, data_len); 1863 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 1864 *value_len = 4; 1865 } else if (strcmp (algo, "sha1") == 0 ) { 1866 sha1_csum ((unsigned char *) data, data_len, 1867 (unsigned char *) value); 1868 *value_len = 20; 1869 } else if (strcmp (algo, "md5") == 0 ) { 1870 printf ("MD5 not supported\n"); 1871 *value_len = 0; 1872 } else { 1873 debug ("Unsupported hash alogrithm\n"); 1874 return -1; 1875 } 1876 return 0; 1877 } 1878 1879 #ifdef USE_HOSTCC 1880 /** 1881 * fit_set_hashes - process FIT component image nodes and calculate hashes 1882 * @fit: pointer to the FIT format image header 1883 * 1884 * fit_set_hashes() adds hash values for all component images in the FIT blob. 1885 * Hashes are calculated for all component images which have hash subnodes 1886 * with algorithm property set to one of the supported hash algorithms. 1887 * 1888 * returns 1889 * 0, on success 1890 * libfdt error code, on failure 1891 */ 1892 int fit_set_hashes (void *fit) 1893 { 1894 int images_noffset; 1895 int noffset; 1896 int ndepth; 1897 int ret; 1898 1899 /* Find images parent node offset */ 1900 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1901 if (images_noffset < 0) { 1902 printf ("Can't find images parent node '%s' (%s)\n", 1903 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1904 return images_noffset; 1905 } 1906 1907 /* Process its subnodes, print out component images details */ 1908 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1909 (noffset >= 0) && (ndepth > 0); 1910 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1911 if (ndepth == 1) { 1912 /* 1913 * Direct child node of the images parent node, 1914 * i.e. component image node. 1915 */ 1916 ret = fit_image_set_hashes (fit, noffset); 1917 if (ret) 1918 return ret; 1919 } 1920 } 1921 1922 return 0; 1923 } 1924 1925 /** 1926 * fit_image_set_hashes - calculate/set hashes for given component image node 1927 * @fit: pointer to the FIT format image header 1928 * @image_noffset: requested component image node 1929 * 1930 * fit_image_set_hashes() adds hash values for an component image node. All 1931 * existing hash subnodes are checked, if algorithm property is set to one of 1932 * the supported hash algorithms, hash value is computed and corresponding 1933 * hash node property is set, for example: 1934 * 1935 * Input component image node structure: 1936 * 1937 * o image@1 (at image_noffset) 1938 * | - data = [binary data] 1939 * o hash@1 1940 * |- algo = "sha1" 1941 * 1942 * Output component image node structure: 1943 * 1944 * o image@1 (at image_noffset) 1945 * | - data = [binary data] 1946 * o hash@1 1947 * |- algo = "sha1" 1948 * |- value = sha1(data) 1949 * 1950 * returns: 1951 * 0 on sucess 1952 * <0 on failure 1953 */ 1954 int fit_image_set_hashes (void *fit, int image_noffset) 1955 { 1956 const void *data; 1957 size_t size; 1958 char *algo; 1959 uint8_t value[FIT_MAX_HASH_LEN]; 1960 int value_len; 1961 int noffset; 1962 int ndepth; 1963 1964 /* Get image data and data length */ 1965 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 1966 printf ("Can't get image data/size\n"); 1967 return -1; 1968 } 1969 1970 /* Process all hash subnodes of the component image node */ 1971 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1972 (noffset >= 0) && (ndepth > 0); 1973 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1974 if (ndepth == 1) { 1975 /* Direct child node of the component image node */ 1976 1977 /* 1978 * Check subnode name, must be equal to "hash". 1979 * Multiple hash nodes require unique unit node 1980 * names, e.g. hash@1, hash@2, etc. 1981 */ 1982 if (strncmp (fit_get_name(fit, noffset, NULL), 1983 FIT_HASH_NODENAME, 1984 strlen(FIT_HASH_NODENAME)) != 0) { 1985 /* Not a hash subnode, skip it */ 1986 continue; 1987 } 1988 1989 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1990 printf ("Can't get hash algo property for " 1991 "'%s' hash node in '%s' image node\n", 1992 fit_get_name (fit, noffset, NULL), 1993 fit_get_name (fit, image_noffset, NULL)); 1994 return -1; 1995 } 1996 1997 if (calculate_hash (data, size, algo, value, &value_len)) { 1998 printf ("Unsupported hash algorithm (%s) for " 1999 "'%s' hash node in '%s' image node\n", 2000 algo, fit_get_name (fit, noffset, NULL), 2001 fit_get_name (fit, image_noffset, NULL)); 2002 return -1; 2003 } 2004 2005 if (fit_image_hash_set_value (fit, noffset, value, 2006 value_len)) { 2007 printf ("Can't set hash value for " 2008 "'%s' hash node in '%s' image node\n", 2009 fit_get_name (fit, noffset, NULL), 2010 fit_get_name (fit, image_noffset, NULL)); 2011 return -1; 2012 } 2013 } 2014 } 2015 2016 return 0; 2017 } 2018 2019 /** 2020 * fit_image_hash_set_value - set hash value in requested has node 2021 * @fit: pointer to the FIT format image header 2022 * @noffset: hash node offset 2023 * @value: hash value to be set 2024 * @value_len: hash value length 2025 * 2026 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2027 * given and returns operation status to the caller. 2028 * 2029 * returns 2030 * 0, on success 2031 * -1, on failure 2032 */ 2033 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2034 int value_len) 2035 { 2036 int ret; 2037 2038 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2039 if (ret) { 2040 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2041 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2042 fdt_strerror (ret)); 2043 return -1; 2044 } 2045 2046 return 0; 2047 } 2048 #endif /* USE_HOSTCC */ 2049 2050 /** 2051 * fit_image_check_hashes - verify data intergity 2052 * @fit: pointer to the FIT format image header 2053 * @image_noffset: component image node offset 2054 * 2055 * fit_image_check_hashes() goes over component image hash nodes, 2056 * re-calculates each data hash and compares with the value stored in hash 2057 * node. 2058 * 2059 * returns: 2060 * 1, if all hashes are valid 2061 * 0, otherwise (or on error) 2062 */ 2063 int fit_image_check_hashes (const void *fit, int image_noffset) 2064 { 2065 const void *data; 2066 size_t size; 2067 char *algo; 2068 uint8_t *fit_value; 2069 int fit_value_len; 2070 uint8_t value[FIT_MAX_HASH_LEN]; 2071 int value_len; 2072 int noffset; 2073 int ndepth; 2074 char *err_msg = ""; 2075 2076 /* Get image data and data length */ 2077 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2078 printf ("Can't get image data/size\n"); 2079 return 0; 2080 } 2081 2082 /* Process all hash subnodes of the component image node */ 2083 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2084 (noffset >= 0) && (ndepth > 0); 2085 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2086 if (ndepth == 1) { 2087 /* Direct child node of the component image node */ 2088 2089 /* 2090 * Check subnode name, must be equal to "hash". 2091 * Multiple hash nodes require unique unit node 2092 * names, e.g. hash@1, hash@2, etc. 2093 */ 2094 if (strncmp (fit_get_name(fit, noffset, NULL), 2095 FIT_HASH_NODENAME, 2096 strlen(FIT_HASH_NODENAME)) != 0) 2097 continue; 2098 2099 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2100 err_msg = "Can't get hash algo property"; 2101 goto error; 2102 } 2103 printf ("%s", algo); 2104 2105 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2106 &fit_value_len)) { 2107 err_msg = "Can't get hash value property"; 2108 goto error; 2109 } 2110 2111 if (calculate_hash (data, size, algo, value, &value_len)) { 2112 err_msg = "Unsupported hash algorithm"; 2113 goto error; 2114 } 2115 2116 if (value_len != fit_value_len) { 2117 err_msg = "Bad hash value len"; 2118 goto error; 2119 } else if (memcmp (value, fit_value, value_len) != 0) { 2120 err_msg = "Bad hash value"; 2121 goto error; 2122 } 2123 printf ("+ "); 2124 } 2125 } 2126 2127 return 1; 2128 2129 error: 2130 printf ("%s for '%s' hash node in '%s' image node\n", 2131 err_msg, fit_get_name (fit, noffset, NULL), 2132 fit_get_name (fit, image_noffset, NULL)); 2133 return 0; 2134 } 2135 2136 /** 2137 * fit_image_check_os - check whether image node is of a given os type 2138 * @fit: pointer to the FIT format image header 2139 * @noffset: component image node offset 2140 * @os: requested image os 2141 * 2142 * fit_image_check_os() reads image os property and compares its numeric 2143 * id with the requested os. Comparison result is returned to the caller. 2144 * 2145 * returns: 2146 * 1 if image is of given os type 2147 * 0 otherwise (or on error) 2148 */ 2149 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2150 { 2151 uint8_t image_os; 2152 2153 if (fit_image_get_os (fit, noffset, &image_os)) 2154 return 0; 2155 return (os == image_os); 2156 } 2157 2158 /** 2159 * fit_image_check_arch - check whether image node is of a given arch 2160 * @fit: pointer to the FIT format image header 2161 * @noffset: component image node offset 2162 * @arch: requested imagearch 2163 * 2164 * fit_image_check_arch() reads image arch property and compares its numeric 2165 * id with the requested arch. Comparison result is returned to the caller. 2166 * 2167 * returns: 2168 * 1 if image is of given arch 2169 * 0 otherwise (or on error) 2170 */ 2171 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2172 { 2173 uint8_t image_arch; 2174 2175 if (fit_image_get_arch (fit, noffset, &image_arch)) 2176 return 0; 2177 return (arch == image_arch); 2178 } 2179 2180 /** 2181 * fit_image_check_type - check whether image node is of a given type 2182 * @fit: pointer to the FIT format image header 2183 * @noffset: component image node offset 2184 * @type: requested image type 2185 * 2186 * fit_image_check_type() reads image type property and compares its numeric 2187 * id with the requested type. Comparison result is returned to the caller. 2188 * 2189 * returns: 2190 * 1 if image is of given type 2191 * 0 otherwise (or on error) 2192 */ 2193 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2194 { 2195 uint8_t image_type; 2196 2197 if (fit_image_get_type (fit, noffset, &image_type)) 2198 return 0; 2199 return (type == image_type); 2200 } 2201 2202 /** 2203 * fit_image_check_comp - check whether image node uses given compression 2204 * @fit: pointer to the FIT format image header 2205 * @noffset: component image node offset 2206 * @comp: requested image compression type 2207 * 2208 * fit_image_check_comp() reads image compression property and compares its 2209 * numeric id with the requested compression type. Comparison result is 2210 * returned to the caller. 2211 * 2212 * returns: 2213 * 1 if image uses requested compression 2214 * 0 otherwise (or on error) 2215 */ 2216 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2217 { 2218 uint8_t image_comp; 2219 2220 if (fit_image_get_comp (fit, noffset, &image_comp)) 2221 return 0; 2222 return (comp == image_comp); 2223 } 2224 2225 /** 2226 * fit_check_format - sanity check FIT image format 2227 * @fit: pointer to the FIT format image header 2228 * 2229 * fit_check_format() runs a basic sanity FIT image verification. 2230 * Routine checks for mandatory properties, nodes, etc. 2231 * 2232 * returns: 2233 * 1, on success 2234 * 0, on failure 2235 */ 2236 int fit_check_format (const void *fit) 2237 { 2238 /* mandatory / node 'description' property */ 2239 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2240 debug ("Wrong FIT format: no description\n"); 2241 return 0; 2242 } 2243 2244 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2245 /* mandatory / node 'timestamp' property */ 2246 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2247 debug ("Wrong FIT format: no description\n"); 2248 return 0; 2249 } 2250 #endif 2251 2252 /* mandatory subimages parent '/images' node */ 2253 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2254 debug ("Wrong FIT format: no images parent node\n"); 2255 return 0; 2256 } 2257 2258 return 1; 2259 } 2260 2261 /** 2262 * fit_conf_get_node - get node offset for configuration of a given unit name 2263 * @fit: pointer to the FIT format image header 2264 * @conf_uname: configuration node unit name 2265 * 2266 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2267 * parant node) of a provided unit name. If configuration is found its node offset 2268 * is returned to the caller. 2269 * 2270 * When NULL is provided in second argument fit_conf_get_node() will search 2271 * for a default configuration node instead. Default configuration node unit name 2272 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2273 * 2274 * returns: 2275 * configuration node offset when found (>=0) 2276 * negative number on failure (FDT_ERR_* code) 2277 */ 2278 int fit_conf_get_node (const void *fit, const char *conf_uname) 2279 { 2280 int noffset, confs_noffset; 2281 int len; 2282 2283 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2284 if (confs_noffset < 0) { 2285 debug ("Can't find configurations parent node '%s' (%s)\n", 2286 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2287 return confs_noffset; 2288 } 2289 2290 if (conf_uname == NULL) { 2291 /* get configuration unit name from the default property */ 2292 debug ("No configuration specified, trying default...\n"); 2293 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2294 if (conf_uname == NULL) { 2295 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2296 return len; 2297 } 2298 debug ("Found default configuration: '%s'\n", conf_uname); 2299 } 2300 2301 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2302 if (noffset < 0) { 2303 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2304 conf_uname, fdt_strerror (noffset)); 2305 } 2306 2307 return noffset; 2308 } 2309 2310 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2311 const char *prop_name) 2312 { 2313 char *uname; 2314 int len; 2315 2316 /* get kernel image unit name from configuration kernel property */ 2317 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2318 if (uname == NULL) 2319 return len; 2320 2321 return fit_image_get_node (fit, uname); 2322 } 2323 2324 /** 2325 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2326 * a given configuration 2327 * @fit: pointer to the FIT format image header 2328 * @noffset: configuration node offset 2329 * 2330 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2331 * configuration FIT_KERNEL_PROP property and translates it to the node 2332 * offset. 2333 * 2334 * returns: 2335 * image node offset when found (>=0) 2336 * negative number on failure (FDT_ERR_* code) 2337 */ 2338 int fit_conf_get_kernel_node (const void *fit, int noffset) 2339 { 2340 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2341 } 2342 2343 /** 2344 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2345 * a given configuration 2346 * @fit: pointer to the FIT format image header 2347 * @noffset: configuration node offset 2348 * 2349 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2350 * configuration FIT_KERNEL_PROP property and translates it to the node 2351 * offset. 2352 * 2353 * returns: 2354 * image node offset when found (>=0) 2355 * negative number on failure (FDT_ERR_* code) 2356 */ 2357 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2358 { 2359 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2360 } 2361 2362 /** 2363 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2364 * a given configuration 2365 * @fit: pointer to the FIT format image header 2366 * @noffset: configuration node offset 2367 * 2368 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2369 * configuration FIT_KERNEL_PROP property and translates it to the node 2370 * offset. 2371 * 2372 * returns: 2373 * image node offset when found (>=0) 2374 * negative number on failure (FDT_ERR_* code) 2375 */ 2376 int fit_conf_get_fdt_node (const void *fit, int noffset) 2377 { 2378 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2379 } 2380 2381 /** 2382 * fit_conf_print - prints out the FIT configuration details 2383 * @fit: pointer to the FIT format image header 2384 * @conf_noffset: offset of the configuration node 2385 * @p: pointer to prefix string 2386 * 2387 * fit_conf_print() lists all mandatory properies for the processed 2388 * configuration node. 2389 * 2390 * returns: 2391 * no returned results 2392 */ 2393 void fit_conf_print (const void *fit, int noffset, const char *p) 2394 { 2395 char *desc; 2396 char *uname; 2397 int ret; 2398 2399 /* Mandatory properties */ 2400 ret = fit_get_desc (fit, noffset, &desc); 2401 printf ("%s Description: ", p); 2402 if (ret) 2403 printf ("unavailable\n"); 2404 else 2405 printf ("%s\n", desc); 2406 2407 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2408 printf ("%s Kernel: ", p); 2409 if (uname == NULL) 2410 printf ("unavailable\n"); 2411 else 2412 printf ("%s\n", uname); 2413 2414 /* Optional properties */ 2415 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2416 if (uname) 2417 printf ("%s Init Ramdisk: %s\n", p, uname); 2418 2419 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2420 if (uname) 2421 printf ("%s FDT: %s\n", p, uname); 2422 } 2423 2424 /** 2425 * fit_check_ramdisk - verify FIT format ramdisk subimage 2426 * @fit_hdr: pointer to the FIT ramdisk header 2427 * @rd_noffset: ramdisk subimage node offset within FIT image 2428 * @arch: requested ramdisk image architecture type 2429 * @verify: data CRC verification flag 2430 * 2431 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2432 * specified FIT image. 2433 * 2434 * returns: 2435 * 1, on success 2436 * 0, on failure 2437 */ 2438 #ifndef USE_HOSTCC 2439 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2440 { 2441 fit_image_print (fit, rd_noffset, " "); 2442 2443 if (verify) { 2444 puts (" Verifying Hash Integrity ... "); 2445 if (!fit_image_check_hashes (fit, rd_noffset)) { 2446 puts ("Bad Data Hash\n"); 2447 return 0; 2448 } 2449 puts ("OK\n"); 2450 } 2451 2452 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 2453 !fit_image_check_arch (fit, rd_noffset, arch) || 2454 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 2455 printf ("No Linux %s Ramdisk Image\n", 2456 genimg_get_arch_name(arch)); 2457 return 0; 2458 } 2459 2460 return 1; 2461 } 2462 #endif /* USE_HOSTCC */ 2463 #endif /* CONFIG_FIT */ 2464